Home / 147,785.88-221,766.30-54,357.24

Finding the Fourth Proportional to 147,785.88, 221,766.30 and 54,357.24

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Solution

The fourth proportional to 147,785.88, 221,766.30 and 54,357.24 is: 81,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,785.88 : 221,766.30 = 54,357.24 : x
  2. Step 2: Convert to fraction form
    147,785.88/221,766.30 = 54,357.24/x
  3. Step 3: Cross multiply
    147,785.88x = 221,766.30 × 54,357.24
  4. Step 4: Simplify right side
    147,785.88x = 12,054,603,993.01
  5. Step 5: Solve for x
    x = 12,054,603,993.01/147,785.88
  6. Step 6: Final answer
    x = 81,568.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.